Drive Chain Balance Shaft, Removing And Installing: Removing
- Transmission removed, refer to Transmission Park Selector SwitchF305, Removing and Installing .
-- Remove the lower timing chain cover, refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .
Danger of damaging the drive chain because the bolt thread is too long.
- Use bolts with a 22 mm maximum thread length -a- to attach the key T40049.
- If only longer bolts are available, then the bolt head must be installed in such a way so that thread length is still 22 mm only.
-- Install the Crankshaft KeyT40049 with two bolts -arrows- on the back of the crankshaft.
-- Remove the locking bolt -arrow- for the "TDC" marking crankshaft from the cylinder block.
-- Rotate the crankshaft in the direction of engine rotation to "TDC".
-- Install the Crankshaft Locking PinT40069 in the hole and tighten to 20 Nm. Rotate the crankshaft -1- back and forth slightly to center the pin completely, if necessary.
-- Press the chain tensioner guide rail in direction of -arrow- and secure chain tensioner using a Locking PinT40071.
Risk of destroying due to reversed running direction on a used drive chain.
- Mark the drive chain running direction with arrows using paint for installation later. Do not mark the drive chain with a punch, notch or something similar.
-- Remove the bolts -3- and the balance shaft chain sprocket.
-- Remove the bolts -1- and -2- and the chain tensioner with the chain.